{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn06578_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Alliance, Ohio | 1884 | mapsnap generated fit (2026-09-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-22"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"10"},{"label":"placed","value":"5"},{"label":"unplaced","value":"5"},{"label":"fit sources","value":"georef 4, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 9 panels"},{"label":"unplaced pages","value":"p1__2 (tier 1, 40.91558,-81.09984 +/-123m); p3__2 (tier 1, 40.92404,-81.10260 +/-100m); p3__5 (tier 1, 40.91885,-81.09719 +/-158m); p3__6 (tier 1, 40.92800,-81.09919 +/-100m); p3__7 (tier 1, 40.92433,-81.10265 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065781884:06578_1884-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Alliance, Ohio | 1884 | sanborn06578_001 p1 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6512.0"},{"label":"split_canvas_h","value":"7708.0"}],"created":"2026-09-22T07:14:44Z","modified":"2026-09-22T07:14:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065781884:06578_1884-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065781884:06578_1884-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"837.9,1748.8 1587.5,1750.4 1586.2,1927.0 1628.0,1927.0 1628.0,-0.0 785.7,0.0 791.1,948.7 0.0,956.2 -0.0,1927.0 786.2,1927.0 837.9,1748.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065781884:06578_1884-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[989.0,1750.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.097224,40.9217766]}},{"type":"Feature","properties":{"resourceCoords":[989.0,1351.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.096253,40.921776]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065781884:06578_1884-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Alliance, Ohio | 1884 | sanborn06578_001 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T07:14:44Z","modified":"2026-09-22T07:14:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065781884:06578_1884-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065781884:06578_1884-0002","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1202.0,1927.0 1200.8,1754.4 565.6,1763.4 565.4,1671.3 270.9,1673.4 266.3,1927.0 -0.0,1927.0 0.0,0.0 72.6,-0.0 74.6,275.6 844.6,270.1 893.9,94.3 1628.0,90.5 1628.0,1927.0 1202.0,1927.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065781884:06578_1884-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.09696938007973,40.92373160029549]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.09700152152445,40.92067469177045]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.10175667132857,40.92070364108345]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.10172452988385,40.92376054960849]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065781884:06578_1884-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Alliance, Ohio | 1884 | sanborn06578_001 p3 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3892.4"},{"label":"split_canvas_h","value":"3811.6"}],"created":"2026-09-22T07:14:44Z","modified":"2026-09-22T07:14:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065781884:06578_1884-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065781884:06578_1884-0003","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"324.6,93.5 325.1,-0.0 24.4,-0.0 -0.0,952.9 973.1,952.5 973.1,659.2 972.9,89.0 324.6,93.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065781884:06578_1884-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[823.1,624.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.102625,40.92178]}},{"type":"Feature","properties":{"resourceCoords":[823.1,89.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.101322,40.9217792]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065781884:06578_1884-0003__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Alliance, Ohio | 1884 | sanborn06578_001 p3 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"3892.4"},{"label":"split_canvas_y","value":"2636.8"},{"label":"split_canvas_w","value":"1157.2"},{"label":"split_canvas_h","value":"1173.2"}],"created":"2026-09-22T07:14:44Z","modified":"2026-09-22T07:14:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065781884:06578_1884-0003__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065781884:06578_1884-0003","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"973.1,952.5 1262.4,952.4 1261.7,659.3 973.1,659.2 973.1,952.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065781884:06578_1884-0003__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[973.1,659.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.10174064645419,40.93227829499305]}},{"type":"Feature","properties":{"resourceCoords":[1262.4,659.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.10137684621314,40.93273304681833]}},{"type":"Feature","properties":{"resourceCoords":[1262.4,952.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.10076750616676,40.932453974174145]}},{"type":"Feature","properties":{"resourceCoords":[973.1,952.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.10113130640781,40.931999222348864]}},{"type":"Feature","properties":{"resourceCoords":[1125.2,906.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.101297,40.931926]}},{"type":"Feature","properties":{"resourceCoords":[1125.2,906.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.101035,40.932283]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065781884:06578_1884-0003__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Alliance, Ohio | 1884 | sanborn06578_001 p3 [4]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"5046.8"},{"label":"split_canvas_y","value":"2637.2"},{"label":"split_canvas_w","value":"1465.2"},{"label":"split_canvas_h","value":"1172.4"}],"created":"2026-09-22T07:14:44Z","modified":"2026-09-22T07:14:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065781884:06578_1884-0003__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065781884:06578_1884-0003","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1628.0,659.5 1261.7,659.3 1262.4,952.4 1628.0,952.2 1628.0,659.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084am:g4084am_g065781884:06578_1884-0003__4/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1261.7,659.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.1006978296474,40.920574224625575]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,659.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.09980566664561,40.920572378416]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,952.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.09980761468641,40.92003345100623]}},{"type":"Feature","properties":{"resourceCoords":[1261.7,952.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.1006997776882,40.92003529721581]}},{"type":"Feature","properties":{"resourceCoords":[1571.1,925.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.099946,40.9200834]}}]}}]}